Photographs by Elizabeth Coetzee/WSJ; Prop Styling by Amanda Lauro If you’re of a certain age, you probably remember the Folgers coffee ... This is no longer your caffeine of last resort.

So, how does it differ from a canister of ground Folgers or Starbucks ... Instant coffee contains less caffeine than ground coffee, with an average of 30-90 mg of caffeine in a cup of instant ...